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Finding the Fourth Proportional to 578,377.15, 798,047.05 and 363,392.66

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Solution

The fourth proportional to 578,377.15, 798,047.05 and 363,392.66 is: 501,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,377.15 : 798,047.05 = 363,392.66 : x
  2. Step 2: Convert to fraction form
    578,377.15/798,047.05 = 363,392.66/x
  3. Step 3: Cross multiply
    578,377.15x = 798,047.05 × 363,392.66
  4. Step 4: Simplify right side
    578,377.15x = 290,004,436,492.57
  5. Step 5: Solve for x
    x = 290,004,436,492.57/578,377.15
  6. Step 6: Final answer
    x = 501,410.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.